Riskcovery

CVE-2025-71155

KVM: s390: Fix gmap_helper_zap_one_page() again

State
Published
Severity
7.8 High
Published
Jan 23, 2026
Updated
Aug 5, 2026
Reserved
Jan 13, 2026

Read the record on cve.org

Description

In the Linux kernel, the following vulnerability has been resolved:

KVM: s390: Fix gmap_helper_zap_one_page() again

A few checks were missing in gmap_helper_zap_one_page(), which can lead to memory corruption in the guest under specific circumstances.

Add the missing checks.

Scores

CVSSScoreVectorSource
3.17.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HLinux

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 5deafa27d9ae040b75d392f60b12e300b42b4792 to before 2af2abbcbf8573100288e8f8aea2dab8a2a0ceb7Affected
  • 5deafa27d9ae040b75d392f60b12e300b42b4792 to before 2f393c228cc519ddf19b8c6c05bf15723241aa96Affected
  • 919efcadb63fc3d3a82c3de7194140e0b28903dcAffected
  • 6.17.4 to before 6.18Affected
LinuxLinux
  • 6.18Affected
  • before 6.18Not affected
  • 6.18.4 through 6.18.*Not affected
  • 6.19 and laterNot affected

References

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